ICD-10-CM > S00-T88 > T51-T65 > T63 > T63.0 > T63.06 > T63.064 T63.064 Toxic effect of venom of other North and South American snake, undetermined Non-Billable/Non-Specific Codes T63.064A..., initial encounterT63.064D..., subsequent encounterT63.064S..., sequela